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12. "SIM" - connector with an ejector, used when a GSM modem is installed inside of the appliance to connect a SIM card.
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13. "DC 12V" - backup power socket, to connect a battery or a battery backup.
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12. "SIM" - connector with an ejector, used when a GSM modem is installed inside of the appliance to connect a SIM card.
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13. "DC 12V" - backup power socket, to connect a battery or a battery backup.
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